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Graduate School of Ajou University
Department of Space Electronics Information Engineering
3. Theses(Master)
H-브릿지 멀티레벨 인버터의 셀 간 손실 분배를 고려한 허용 제어
- Alternative Title
- A Fault-Tolerant Technique for H-bridge Multilevel Inverter with Improved Power Distribution
- Author(s)
- 김석민
- Advisor
- 이교범
- Department
- 일반대학원 우주전자정보공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2016-08
- Language
- kor
- Alternative Abstract
- This paper proposes a modulation technique for fault-tolerant cascaded H-bridge multilevel inverters. The proposed modulation scheme comprises two types of PWM strategy to cover both open- and short-device fault cases. The neutral shift is applied as fault-tolerant control with the proposed modulation scheme. Finally, three-phase balanced line-to-line voltages and line currents are produced under the internal faulty condition. In addition, a novel switching rotation scheme is proposed to improve power distribution among the H-bridge inverter cells under the faulty conditions. Simulation and experimental results are included to show the feasibility on the proposed fault-tolerant methods in the field.
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- Graduate School of Ajou University > Department of Space Electronics Information Engineering > 3. Theses(Master)
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